New -lfa_flags mode restore_error=

xorriso/misc_funct.c

@@ -1395,6 +1395,22 @@ int Xorriso__to_upper(char *in, char *out, int out_size, int flag)
 }
 
 
+/* @return 0=truncated, 1=ok
+*/
+int Xorriso__to_lower(char *in, char *out, int out_size, int flag)
+{
+ int i;
+
+ for(i= 0; i < out_size - 1 && in[i] != 0; i++)
+   if(isalpha(in[i]))
+     out[i]= tolower(in[i]);
+   else
+     out[i]= in[i];
+ out[i]= 0;
+ return(in[i] == 0);
+}
+
+
 /* @param flag bit0= prepend target_prefix even if source_prefix does not get
                      removed
 */